Mechanical Properties of Polymers and Composites

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Mechanical Properties of Polymers and Composites

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Mechanical Properties of Polymers and Composites

14 Dec 1993-

TL;DR: In this article, the authors discuss various mechanical properties of fiber-filled composites, such as elastic moduli, creep and stress relaxation, and other mechanical properties such as stress-strain behavior and strength.

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Abstract: Mechanical Tests and Polymer Transitions * Elastic Moduli * Creep and Stress Relaxation * Dynamical Mechanical Properties * Stress-Strain Behaviour and Strength * Other mechanical Properties * Particulate-Filled Polymers * Fiber- Filled Composites and Other Composites.

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Journal Article•DOI•

The influence of surface modification on the structure and properties of a nanosilica filled thermoplastic elastomer

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O. Aso¹, José Ignacio Eguiazábal¹, Jon Nazábal¹•Institutions (1)

University of the Basque Country¹

01 Oct 2007-Composites Science and Technology

TL;DR: In this paper, the influence of chemical modification was assessed by a comparison of the dispersed phase morphology and the mechanical properties of the nanocomposites based on a thermoplastic elastomer copolyetherester (Hytrel, Hy) matrix filled with fumed silica.

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122 citations

Journal Article•DOI•

The mechanical properties of dental thermoplastic materials in a simulated intraoral environment

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Hiromi Ryokawa¹, Yoshikazu Miyazaki¹, Akihiro Fujishima¹, Takashi Miyazaki¹, Koutaro Maki¹ - Show less +1 more•Institutions (1)

Showa University¹

01 Jun 2006-Orthodontic Waves

TL;DR: The present result suggests that the mechanical properties of dental thermoplastic materials varied due to environmental factors, and behavior change is influenced by molecular structure and orientation.

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122 citations

Cites background from "Mechanical Properties of Polymers a..."

...Molecular orientation confers physical properties, on anisotropic materials which generally have multiple elastic moduli [18,19]....
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...Crystalline plastics generally show an increase in the degree of crystallinity with thermoforming, and therefore the values of elastic modulus and tensile yield stress for such materials should increase [18]....
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...The decrease in molecular weight with heating could have caused the observed decreases in mechanical properties [18]....
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...The mechanical properties of thermoplastic materials are influenced by both structural factors, such as molecular and crystal structures, and environmental factors, such as temperature, humidity, pressure, and heat history [18]....
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...As thermoplastic polymers are highly viscoelastic materials, temperature, humidity, time after elastic deformation, and forming procedures have marked effects on their mechanical properties [18]....
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Journal Article•DOI•

Effect of clay orientation on the tensile modulus of polypropylene–nanoclay composites

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Girish Galgali¹, Sachin Agarwal², Ashish K. Lele¹•Institutions (2)

National Chemical Laboratory¹, Malaviya Regional Engineering College²

05 Aug 2004-Polymer

TL;DR: In this paper, the effect of clay orientation on the tensile modulus of compatibilized and uncompatibilised syndiotactic polypropylene nanoclay composites was investigated.

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121 citations

Journal Article•DOI•

The mechanical behaviour of PEEK short fibre composites

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Jose-Ramon Sarasua, P. M. Remiro, J. Pouyet¹•Institutions (1)

University of Bordeaux¹

01 Jul 1995-Journal of Materials Science

TL;DR: In this paper, a tensile test and an immersion ultrasonic technique were used to determine the mechanical behavior of short glass (GF) and carbon fibre (CF) reinforced poly-ether-etherketone (PEEK) composites.

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Abstract: Short glass (GF) and carbon fibre (CF) reinforced poly-ether-ether-ketone (PEEK) composites were prepared by injection moulding and then microstructurally characterized Their mechanical behaviour was determined by two different methods: a classical unidirectional tensile test and an immersion ultrasonic technique The reinforcing effect of fibres is discussed in the context of the theory of reinforcement of Bowyer and Bader Interfacial shear strength and critical fibre length at break are calculated for both PEEK/GF and PEEK/CF composites Examinations of fracture surfaces of uniaxial tensile specimens revealed a higher adhesion of carbon fibres to PEEK matrix in regards to the adhesion concerning glass fibre-PEEK interfaces, which is in agreement with the results provided by the model Compatibility of ultrasonic and tensile results is reported

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120 citations

Journal Article•DOI•

Mechanical and rheological properties of composites based on polyolefin and mineral additives

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A.L.N. da Silva¹, Marisa C. G. Rocha¹, M.A.R. Moraes, C.A.R. Valente, Fernanda M. B. Coutinho², Fernanda M. B. Coutinho³ - Show less +2 more•Institutions (3)

Instituto Politécnico Nacional¹, Federal University of Rio de Janeiro², Rio de Janeiro State University³

01 Jan 2002-Polymer Testing

TL;DR: In this article, results of rheological and mechanical analysis on polypropylene composites prepared with talc and CaCO 3 are reported, showing that the addition of fillers provoked an increase in modulus of elasticity, stress at break and yield stress.

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120 citations